“…There are many side effects of penicillamine, with rash, loss of appetite, nausea, diarrhea and leucopenia being the most common, whereas nephropathy, hepatotoxicity, aplastic anemia [ 8 ], antibody-mediated myasthenia gravis [ 9 ], Lambert–Eaton myasthenic syndrome and drug-induced systemic lupus erythematosus [ 10 ] are some other possible adverse reactions. Proteinuria and nephrotic syndrome are the most commonly encountered features of renal pathology [ 11 , 12 , 13 ]. Proteinuria is the most common kidney-related adverse reaction due to penicillamine, with MN being the most common histological pattern, followed by MCD [ 11 , 12 , 13 ].…”